def parse_feed(self, data, url):
            url = url.split("?")[0]
           #print 'url is: ', url
            once = 0
            link = {}
            doc = libxml2dom.parseString(data, html=1)
            items = doc.getElementsByTagName('item')
            top = items[0]
            bottom = items[len(items)-1]
            title_top = top.getElementsByTagName('title')[0].childNodes[0].value
            title_bottom = bottom.getElementsByTagName('title')[0].childNodes[0].value
            if title_top > title_bottom:
                item = top
            elif title_bottom > title_top:
                item = bottom

            title = item.getElementsByTagName('title')[0].childNodes[0].value
            guid = item.getElementsByTagName('guid')[0].childNodes[0].value
            latesturl = MakeMeTiny(url +'%s' % guid)
           # print 'result feed me: %s' % latesturl
            d = defer.Deferred()
            if not latesturl is None:
                result = latesturl
            else:
                result = 'Fail'
            reactor.callLater(1,d.callback,result)
            return d